#define _CRT_SECURE_NO_WARNINGS

#include <iostream>


using namespace std;

class person
{
public:


protected:
	char _name;
	int _age;
	int _sex;
};

class student : public person
{
public:
	student()
	{
		_student = 1;
		_name = 'a';
		_age = 20;
		_sex = 1;
	}

protected:
	int _student;
};

int main()
{
	student s1;

	return 0;
}